Firmware
Firmware¶
Ring Levels:
Ring 0 is kernel.
Ring -1 is hypervisor.
Ring -2 is management engine without its own processor.
Ring -3 is management engine with its own processor.
LinuxBoot Firmware
Heads Firmware
Ring Levels:
Ring 0 is kernel.
Ring -1 is hypervisor.
Ring -2 is management engine without its own processor.
Ring -3 is management engine with its own processor.
LinuxBoot Firmware
Heads Firmware